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Complex Infrastructure Projects by Anthony Holmes

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Chapter 2: Current Demand

At the time of writing in spring 2014 the global demand for infrastructure is estimated [1] to be circa US$50trn at 2012 prices in the period to 2030.

Add to this a further US$18trn at 2012 prices to fund the estimated minimum cost of infrastructure projects required to address the probable effects of global warming (US$1trn pa to 2030 [2] ) and the estimated value of global demand increases to approximately US$70trn. This figure is interesting as, coincidentally, it equals global annual GDP [3] , which implies an average spend over the period of 5.55% pa of GDP at constant 2012 prices [4] .

This considerable proposed expenditure is driven by three forces: population growth, greater urbanisation and changes ...

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